S731USQU9CZIF – Galaxy S25 FE firmware

Build S731USQU9CZIF is a feature update for the Galaxy S25 FE (SM-S731U) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 4, 2026 (method) and has reached 10 regions so far. It keeps bootloader bit 9, so downgrading to the previous build S731USQS9BZF9 is still possible. Samsung still serves this file.

Model
SM-S731U
Android
Android 17
Type
Feature
Bootloader bit
9
First released
Oct 4, 2026
Regions
10

Rollout timeline by region

The date each region code (CSC) first received S731USQU9CZIF, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AIOUSA (Cricket)Oct 4, 2026day 0S731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
ATTUSA (AT&T)Oct 4, 2026day 0S731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
TMBUSA (T-Mobile)Oct 4, 2026day 0S731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
TMKUSA (MetroPCS)Oct 4, 2026day 0S731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
USCUSA (US Cellular)Oct 4, 2026day 0S731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
VZWUSA (Verizon)Oct 6, 2026+2 daysS731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
DSAUSAOct 8, 2026+4 daysS731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
DSHUSAOct 8, 2026+4 daysS731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
CCTUSA (Comcast)Oct 12, 2026+8 daysS731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF
XAAUSA (unlocked)Oct 12, 2026+8 daysS731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF

Download and release notes

samloader download -m SM-S731U -r XAA -v S731USQU9CZIF/S731UOYN9CZIF/S731USQU9CZIF

Samsung's release notes and security patch level for this update: SM-S731U / XAA on doc.samsungmobile.com. What each part of the build number means: decode S731USQU9CZIF.